High-level outline of the VOS process
?
Are you seeking 
guidance or advice? 
Requestor 
completes 
Subject matter 
Requestor 
Discussion 
expert provides 
submits 
or Advice  
advice / opinion
completed 
template
request
Requestor attends 
committee meeting  
for discussion
Decision 
Next appropriate 
Recommendation 
communicated – 
step started. E.g. TIO 
Requestor attends 
to decision 
Decision 
reflecting advice 
updated, Funding 
committee meeting 
makers
made
given or outcome 
released, enter Waka 
for discussion
of request
Kotahi Board process.
Right-sized 
Requestor 
* assurance
Requestor 
Assurance 
?
completes 
provided by 
submits 
manager sign-off 
Request 
appropriate 
completed 
and VOS pathway 
template
teams
request
identified
Low risk, small| medium 
Are you seeking 
projects | BAU requests
a decision?
• Business case quality (IQA)
under the Official Information Act 1982
• Right outcome for right price
(Investment assurance)
• Right time (Portfolio
assessment – not for local
roads)
• Prioritised for funding?
(Activity Class assessment)
• Peer review (Emergency
Works only)
Released 
* Right-sized = scaled for
size and complexity and
appropriate for request type
23-IN-040

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How a Phase Readiness Review links to VOS (State highways only)
?
Are you seeking 
guidance  
or advice?  
Requestor 
completes 
Subject matter 
Discussion or 
expert provides 
Requestor submits 
Advice  template
advice / opinion
completed request
Phase Readiness 
Report provided to 
Phase Readiness 
Review conducted* 
project
Review initiated
(Includes 
(If required)
completion of 
Next step is project 
interim IQA)
completes Next 
Phase Request
Requestor completes 
Right-sized* 
Requestor submits 
Request template
assurance provided 
by appropriate teams
completed request
?
Are you seeking  
a decision?
•  Business case quality (IQA)
•  Right outcome for right price 
(Investment assurance)
•  Right time (Portfolio 
assessment – not for local 
under the Official Information Act 1982
Interim IQA forms basis of full IQA developed as part of the assurance process
roads)
•  Prioritised for funding? 
(Activity Class assessment)
•  Peer review (Emergency 
Works only)
*  Right-sized = scaled for 
size and complexity and 
Released 
appropriate for request type
*Phase Readiness Review
Led by P&S Assurance. Review team members include experienced SMEs, Investment Assurance Advisor and Investment Advisor responsible for IQA
23-IN-040

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